diff --git a/Documentation/devicetree/bindings/power/fsl,imx-gpcv2.yaml b/Documentation/devicetree/bindings/power/fsl,imx-gpcv2.yaml
index a96e6dbf1858..cac2869af3d0 100644
--- a/Documentation/devicetree/bindings/power/fsl,imx-gpcv2.yaml
+++ b/Documentation/devicetree/bindings/power/fsl,imx-gpcv2.yaml
@@ -26,6 +26,7 @@ properties:
     enum:
       - fsl,imx7d-gpc
       - fsl,imx8mq-gpc
+      - fsl,imx8mm-gpc
 
   reg:
     maxItems: 1
@@ -54,6 +55,7 @@ properties:
               Power domain index. Valid values are defined in
               include/dt-bindings/power/imx7-power.h for fsl,imx7d-gpc and
               include/dt-bindings/power/imx8m-power.h for fsl,imx8mq-gpc
+              include/dt-bindings/power/imx8mm-power.h for fsl,imx8mm-gpc
             maxItems: 1
 
           clocks:
diff --git a/include/dt-bindings/power/imx8mm-power.h b/include/dt-bindings/power/imx8mm-power.h
new file mode 100644
index 000000000000..fc9c2e16aadc
--- /dev/null
+++ b/include/dt-bindings/power/imx8mm-power.h
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */
+/*
+ *  Copyright (C) 2020 Pengutronix, Lucas Stach <kernel@pengutronix.de>
+ */
+
+#ifndef __DT_BINDINGS_IMX8MM_POWER_H__
+#define __DT_BINDINGS_IMX8MM_POWER_H__
+
+#define IMX8MM_POWER_DOMAIN_HSIOMIX	0
+#define IMX8MM_POWER_DOMAIN_PCIE	1
+#define IMX8MM_POWER_DOMAIN_OTG1	2
+#define IMX8MM_POWER_DOMAIN_OTG2	3
+#define IMX8MM_POWER_DOMAIN_GPUMIX	4
+#define IMX8MM_POWER_DOMAIN_GPU		5
+#define IMX8MM_POWER_DOMAIN_VPUMIX	6
+#define IMX8MM_POWER_DOMAIN_VPUG1	7
+#define IMX8MM_POWER_DOMAIN_VPUG2	8
+#define IMX8MM_POWER_DOMAIN_VPUH1	9
+#define IMX8MM_POWER_DOMAIN_DISPMIX	10
+#define IMX8MM_POWER_DOMAIN_MIPI	11
+
+#endif